三次元強化繊維複合材料解析手法の研究 : 第2報,引張・圧縮強度の解析

概要

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In this paper, we report a numerical analysis method of mechanical behavior for three-dimensional reinforced composites on the basis of micromechanical analysis of the `unit cell', which is a small repeating unit of fiber weaving. We discussed a basic analytical model for evaluating the tensile elastic modulus in our first report. In the present paper, the strength properties of carbon/epoxy 3-D composites are estimated using an improved rigid-frame analytical model constructed of fiber-beam and matrix-beam elements. Elastic modulus, tensile strength, compressive strength and Poisson's ratio are calculated. Two weaving types of experimental fabric are prepared and tested to compare with the numerical results, and the varidity of the present analytical model is confirmed.
社団法人日本機械学会の論文
1994-02-25